{"id":2633,"date":"2023-06-24T12:18:16","date_gmt":"2023-06-24T12:18:16","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=2633"},"modified":"2023-06-24T12:18:16","modified_gmt":"2023-06-24T12:18:16","slug":"brontosaurus-back-from-the-dead","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/paleontology\/brontosaurus-back-from-the-dead\/","title":{"rendered":"Brachiosaurus: Tr\u1edf l\u1ea1i t\u1eeb c\u00f5i ch\u1ebft?"},"content":{"rendered":"

Kh\u1ee7ng long c\u1ed5 d\u00e0i Brachiosaurus: Tr\u1edf l\u1ea1i t\u1eeb c\u00f5i ch\u1ebft?<\/h2>\n\n

Lo\u00e0i kh\u1ee7ng long c\u00f3 th\u1ec3 x\u1ee9ng \u0111\u00e1ng c\u00f3 chi ri\u00eang<\/h2>\n\n

Brachiosaurus, m\u1ed9t trong nh\u1eefng lo\u00e0i kh\u1ee7ng long n\u1ed5i ti\u1ebfng nh\u1ea5t m\u1ecdi th\u1eddi \u0111\u1ea1i, c\u00f3 th\u1ec3 \u0111ang quay tr\u1edf l\u1ea1i. M\u1ed9t ph\u00e2n t\u00edch m\u1edbi v\u1ec1 b\u1ed9 x\u01b0\u01a1ng kh\u1ee7ng long cho th\u1ea5y lo\u00e0i kh\u1ee7ng long \u0103n c\u1ecf c\u1ed5 d\u00e0i, th\u00e2n h\u00ecnh n\u1eb7ng n\u1ec1 n\u00e0y th\u1ef1c s\u1ef1 \u0111\u1ee7 \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 h\u1ed3i sinh bi\u1ec7t danh \u0111\u01b0\u1ee3c y\u00eau th\u00edch c\u1ee7a n\u00f3.<\/p>\n\n

S\u1ef1 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a ng\u00e0nh c\u1ed5 sinh v\u1eadt h\u1ecdc<\/h2>\n\n

V\u00e0o th\u1eddi k\u1ef3 \u0111\u1ea7u c\u1ee7a vi\u1ec7c kh\u00e1m ph\u00e1 kh\u1ee7ng long, Brachiosaurus \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 m\u1ed9t chi ri\u00eang bi\u1ec7t. Tuy nhi\u00ean, v\u00e0o n\u0103m 1903, nh\u00e0 c\u1ed5 sinh v\u1eadt h\u1ecdc Elmer Riggs \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng h\u1ea7u h\u1ebft c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m d\u01b0\u1eddng nh\u01b0 ph\u00e2n bi\u1ec7t Brachiosaurus v\u1edbi Apatosaurus, m\u1ed9t lo\u00e0i kh\u1ee7ng long t\u01b0\u01a1ng t\u1ef1 kh\u00e1c, th\u1ef1c ch\u1ea5t l\u00e0 do s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 s\u1ef1 ph\u00e1t tri\u1ec3n. Do \u0111\u00f3, Brachiosaurus \u0111\u00e3 b\u1ecb h\u1ea1 c\u1ea5p xu\u1ed1ng th\u00e0nh lo\u00e0i trong chi Apatosaurus.<\/p>\n\n

Nh\u01b0ng hi\u1ec7n t\u1ea1i, m\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi c\u1ee7a c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u1edf Anh v\u00e0 B\u1ed3 \u0110\u00e0o Nha ch\u1ec9 ra r\u1eb1ng Brachiosaurus v\u1eabn c\u00f3 th\u1ec3 x\u1ee9ng \u0111\u00e1ng c\u00f3 chi ri\u00eang c\u1ee7a m\u00ecnh. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e2n t\u00edch 477 \u0111\u1eb7c \u0111i\u1ec3m gi\u1ea3i ph\u1eabu tr\u00ean 81 c\u00e1 th\u1ec3 kh\u1ee7ng long v\u00e0 ph\u00e1t hi\u1ec7n ra r\u1eb1ng nh\u1eefng chi\u1ebfc x\u01b0\u01a1ng ban \u0111\u1ea7u \u0111\u01b0\u1ee3c Othniel Charles Marsh, nh\u00e0 c\u1ed5 sinh v\u1eadt h\u1ecdc \u0111\u1ea7u ti\u00ean m\u00f4 t\u1ea3 lo\u00e0i n\u00e0y, g\u1ecdi l\u00e0 Brachiosaurus, d\u01b0\u1eddng nh\u01b0 kh\u00e1c bi\u1ec7t v\u1edbi hai lo\u00e0i Apatosaurus.<\/p>\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 gi\u1ea3i ph\u1eabu<\/h2>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 x\u00e1c \u0111\u1ecbnh m\u1ed9t s\u1ed1 s\u1ef1 kh\u00e1c bi\u1ec7t nh\u1ecf v\u1ec1 gi\u1ea3i ph\u1eabu gi\u1eefa Brachiosaurus v\u00e0 Apatosaurus. M\u1ed9t trong nh\u1eefng s\u1ef1 kh\u00e1c bi\u1ec7t r\u00f5 r\u00e0ng nh\u1ea5t l\u00e0 Apatosaurus c\u00f3 c\u1ed5 r\u1ed9ng h\u01a1n Brachiosaurus. Ngo\u00e0i ra, Brachiosaurus kh\u00f4ng kh\u1ecfe m\u1ea1nh b\u1eb1ng Apatosaurus.<\/p>\n\n

S\u1ed1 ph\u1eadn c\u1ee7a Brachiosaurus<\/h2>\n\n

Li\u1ec7u Brachiosaurus c\u00f3 ch\u00ednh th\u1ee9c l\u1ea5y l\u1ea1i v\u1ecb th\u1ebf l\u00e0 m\u1ed9t chi ri\u00eang bi\u1ec7t hay kh\u00f4ng v\u1eabn c\u00f2n l\u00e0 \u1ea9n s\u1ed1. C\u00e1c nh\u00e0 c\u1ed5 sinh v\u1eadt h\u1ecdc kh\u00e1c s\u1ebd c\u1ea7n ph\u1ea3i sao ch\u00e9p l\u1ea1i k\u1ebft qu\u1ea3 c\u1ee7a nghi\u00ean c\u1ee9u m\u1edbi n\u00e0y v\u00e0 th\u1ed1ng nh\u1ea5t v\u1ec1 ng\u01b0\u1ee1ng m\u00e0 kh\u1ee7ng long x\u1ee9ng \u0111\u00e1ng c\u00f3 t\u00ean kh\u00e1c nhau.<\/p>\n\n

\u00dd ngh\u0129a c\u1ee7a Brachiosaurus<\/h2>\n\n

B\u1ea5t k\u1ec3 v\u1ecb th\u1ebf ph\u00e2n lo\u1ea1i c\u1ee7a n\u00f3 l\u00e0 g\u00ec, Brachiosaurus v\u1eabn gi\u1eef m\u1ed9t v\u1ecb tr\u00ed \u0111\u1eb7c bi\u1ec7t trong v\u0103n h\u00f3a \u0111\u1ea1i ch\u00fang. C\u00e1i t\u00ean n\u00e0y \u0111\u00e3 tr\u1edf th\u00e0nh bi\u1ec3u t\u01b0\u1ee3ng c\u1ee7a nh\u1eefng sinh v\u1eadt \u0111\u00e3 tuy\u1ec7t ch\u1ee7ng, nh\u1eefng sinh v\u1eadt v\u1eabn ti\u1ebfp t\u1ee5c th\u1eafp s\u00e1ng tr\u00ed t\u01b0\u1edfng t\u01b0\u1ee3ng c\u1ee7a ch\u00fang ta. Brachiosaurus \u0111\u1ea1i di\u1ec7n cho m\u1ed1i li\u00ean h\u1ec7 v\u1edbi m\u1ed9t qu\u00e1 kh\u1ee9 m\u00e0 ch\u00fang ta kh\u00f4ng bao gi\u1edd c\u00f3 th\u1ec3 \u0111\u1ebfn th\u0103m, nh\u01b0ng ch\u00fang ta v\u1eabn c\u00f3 th\u1ec3 tho\u00e1ng th\u1ea5y th\u00f4ng qua nh\u1eefng chi\u1ebfc x\u01b0\u01a1ng tuy\u1ec7t \u0111\u1eb9p c\u1ee7a lo\u00e0i kh\u1ee7ng long n\u00e0y.<\/p>\n\n

Ph\u00e2n lo\u1ea1i nh\u00e1nh h\u1ecdc v\u00e0 Ph\u00e2n lo\u1ea1i kh\u1ee7ng long<\/h2>\n\n

\u0110\u1ec3 ph\u00e2n lo\u1ea1i kh\u1ee7ng long, c\u00e1c nh\u00e0 c\u1ed5 sinh v\u1eadt h\u1ecdc s\u1eed d\u1ee5ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p g\u1ecdi l\u00e0 ph\u00e2n lo\u1ea1i nh\u00e1nh h\u1ecdc. Ph\u00e2n lo\u1ea1i nh\u00e1nh h\u1ecdc bao g\u1ed3m vi\u1ec7c ph\u00e2n t\u00edch b\u1ed9 x\u01b0\u01a1ng kh\u1ee7ng long \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m chung. Sau \u0111\u00f3, c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh s\u1eed d\u1ee5ng c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y \u0111\u1ec3 t\u1ea1o ra m\u1ed9t c\u00e2y ph\u1ea3 h\u1ec7 d\u1ef1a tr\u00ean \u0111\u1eb7c \u0111i\u1ec3m n\u00e0o \u0111\u01b0\u1ee3c chia s\u1ebb b\u1edfi nh\u1eefng lo\u00e0i n\u00e0o.<\/p>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u kh\u00e1c nhau c\u00f3 th\u1ec3 ch\u1ecdn ph\u00e2n t\u00edch c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c nhau v\u00e0 \u0111\u00e1nh gi\u00e1 ch\u00fang theo nh\u1eefng c\u00e1ch kh\u00e1c nhau, v\u00ec v\u1eady b\u1ea5t k\u1ef3 k\u1ebft qu\u1ea3 \u0111\u01a1n l\u1ebb n\u00e0o c\u0169ng l\u00e0 m\u1ed9t gi\u1ea3 thuy\u1ebft c\u1ea7n \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u kh\u00e1c x\u00e1c minh.<\/p>\n\n

C\u00e1c lo\u00e0i kh\u1ee7ng long kh\u00e1c trong c\u0103ng th\u1eb3ng ph\u00e2n lo\u1ea1i<\/h2>\n\n

Brachiosaurus kh\u00f4ng ph\u1ea3i l\u00e0 lo\u00e0i kh\u1ee7ng long duy nh\u1ea5t \u0111ang trong t\u00ecnh tr\u1ea1ng c\u0103ng th\u1eb3ng ph\u00e2n lo\u1ea1i. V\u00ed d\u1ee5, m\u1ed9t s\u1ed1 nh\u00e0 nghi\u00ean c\u1ee9u c\u00f4ng nh\u1eadn lo\u00e0i kh\u1ee7ng long b\u1ea1o ch\u00faa m\u1ea3nh kh\u1ea3nh Gorgosaurus libratus l\u00e0 m\u1ed9t chi \u0111\u1ed9c nh\u1ea5t, trong khi nh\u1eefng nh\u00e0 nghi\u00ean c\u1ee9u kh\u00e1c coi n\u00f3 l\u00e0 m\u1ed9t lo\u00e0i c\u1ee7a chi Albertosaurus.<\/p>\n\n

Cu\u1ed9c tranh lu\u1eadn v\u1ec1 vi\u1ec7c ph\u00e2n lo\u1ea1i kh\u1ee7ng long c\u00f3 kh\u1ea3 n\u0103ng s\u1ebd ti\u1ebfp t\u1ee5c di\u1ec5n ra khi ng\u00e0y c\u00e0ng c\u00f3 nhi\u1ec1u kh\u00e1m ph\u00e1 m\u1edbi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u00e0 s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 nh\u1eefng sinh v\u1eadt c\u1ed5 \u0111\u1ea1i n\u00e0y kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n.<\/p>","protected":false},"excerpt":{"rendered":"

Kh\u1ee7ng long c\u1ed5 d\u00e0i Brachiosaurus: Tr\u1edf l\u1ea1i t\u1eeb c\u00f5i ch\u1ebft? Lo\u00e0i kh\u1ee7ng long c\u00f3 th\u1ec3 x\u1ee9ng \u0111\u00e1ng c\u00f3 chi ri\u00eang Brachiosaurus, m\u1ed9t trong nh\u1eefng lo\u00e0i kh\u1ee7ng long n\u1ed5i ti\u1ebfng nh\u1ea5t…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[137,97,134,5293,2727],"class_list":["post-2633","post","type-post","status-publish","format-standard","hentry","category-paleontology","tag-paleontology","tag-science","tag-dinosaurs","tag-brontosaurus","tag-taxonomy"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/2633","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=2633"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/2633\/revisions"}],"predecessor-version":[{"id":2634,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/2633\/revisions\/2634"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=2633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=2633"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=2633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}